摘要 |
A T-box assembly includes a T-box housing, a thermal sleeve coupled to the T-box housing, a cruciform wedge, a spider threadedly engaging the thermal sleeve, and a draw bolt coupling the cruciform wedge and the spider. At least one spring washer is located between the end of the thermal sleeve and the end of a core spray nozzle safe end. The T-box housing includes a cover opening having a plurality of breach lock lugs extending into the cover opening. A T-box cover plate includes a head portion and an insertion portion. A plurality of breach lock lugs extend from the periphery of the insertion portion. A plurality of ratchet teeth extend around the periphery of the head portion. A lock spring includes an engagement portion having a plurality of ratchet teeth sized to mesh with cover plate ratchet teeth.
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